InChI=1/C15H25N3O3/c1-3-18(4-2)11-10-16-14(19)8-5-9-17-15(20)13-7-6-12-21-13/h6-7,12H,3-5,8-11H2,1-2H3,(H,16,19)(H,17,20)/p+1/fC15H26N3O3/h16-18H/q+1 B252E83C94B828E4